Home / 1,914,649.96-2,642,208.28-1,055,208.36

Finding the Fourth Proportional to 1,914,649.96, 2,642,208.28 and 1,055,208.36

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Solution

The fourth proportional to 1,914,649.96, 2,642,208.28 and 1,055,208.36 is: 1,456,182.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,914,649.96 : 2,642,208.28 = 1,055,208.36 : x
  2. Step 2: Convert to fraction form
    1,914,649.96/2,642,208.28 = 1,055,208.36/x
  3. Step 3: Cross multiply
    1,914,649.96x = 2,642,208.28 × 1,055,208.36
  4. Step 4: Simplify right side
    1,914,649.96x = 2,788,080,265,917.22
  5. Step 5: Solve for x
    x = 2,788,080,265,917.22/1,914,649.96
  6. Step 6: Final answer
    x = 1,456,182.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.